Dental tray



FIG. 1 is a top plan view of a dental tray showing our new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a partial sectional view thereof taken along line 6--6 of FIG. 1. 

The ornamental design for a dental tray, as shown and described. 